In his book, The Jesus Dynasty, James Tabor asserts that James and Jude, which he takes to written by Jesus' brothers, use the term κύριος to mean something like "master". It was a sign of honor for ...

I don't mean by my question that I'm looking to identify a particular individual. I'm just confused by the statement made there. James begins this section in verse 14: "What good is it, my brothers, ...